---
- name: Playbook to rollback an automated manual k8s installation
  hosts: workers
  become: true
  tasks:
  - name: Stop k8s services prior to deleting them
    service:
      name: "{{ item }}"
      state: stopped
      enabled: false
    with_items:
      - "kube-proxy"
      - "containerd"
      - "kubelet"
  - name: Delete the binaries
    file:
      path: /usr/local/bin/{{ item }}
      state: absent
    with_items:
      - kubectl
      - kube-proxy
      - kubelet
      - runc
      - runsc
      - crictl
  - name: Remove the dependencies
    apt:
      name: "{{ item }}"
      state: absent
    with_items:
      - "socat"
      - "ipset"
      - "conntrack"
  - name: Delete service files
    file:
      path: /etc/systemd/system/{{ item }}
      state: absent
    with_items:
      - kubelet.service
      - kube-proxy.service
      - containerd.service
  - name: Delete k8s directories and files
    file:
      path: "{{ item }}"
      state: absent
    with_items:
      - "/var/lib/kube-proxy"
      - "/var/lib/kubernetes"
      - "/var/lib/kubelet"
      - "/etc/containerd"
      - "/etc/cni"
      - "/etc/kubernetes"
      - "/bin/containerd"
      - "/bin/ctr"
      - "/bin/containerd-shim-runc-v1"
      - "/bin/containerd-shim"
      - "/bin/containerd-release"
      - "/bin/containerd-stress"
      - "/opt/cni"

- name: Playbook to rollback an automated manual k8s installation
  hosts: masters
  become: true
  tasks:
  - name: Stop k8s services prior to deleting them
    service:
      name: "{{ item }}"
      state: stopped
      enabled: false
    with_items:
      - "kube-scheduler"
      - "kube-controller-manager"
      - "kube-apiserver"
      - "etcd"
  - name: Delete the binaries
    file:
      path: /usr/local/bin/{{ item }}
      state: absent
    with_items:
      - kube-scheduler
      - kube-controller-manager
      - kube-apiserver
      - etcd
      - etcdctl
  - name: Delete the systemd service files
    file:
      path: /etc/systemd/system/{{ item }}
      state: absent
    with_items:
      - etcd.service
      - kube-apiserver.service
      - kube-controller-manager.service
      - kube-scheduler.service
  - name: Delete the config and TLS files
    file:
      path: "{{ item }}"
      state: absent
    with_items:
      - "/var/lib/kubernetes"
      - "/var/lib/kubelet"
      - "/etc/etcd"
      - "/etc/kubernetes"
      - "/home/ansible/admin.kubeconfig"

- name: Remove the cryptographic files from this host
  hosts: localhost
  become: true
  tasks:
  - name: Remove kubernetes directory
    file:
      path: /var/tmp/kubernetes
      state: absent
  - name: Remove cfssl and cfssljson files
    file:
      path: /usr/local/bin/{{ item }}
      state: absent
    with_items:
      - cfssl
      - cfssljson